.showcase {
    height: 300px;
    width: 100%;
    background: #000 url('/images/showcase.jpg') no-repeat center center;
    color: #fff;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.showcase::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
}

.showcase * {
    z-index: 20;
}

.showcase h1 {
    font-size: 40px;
    margin-bottom: 0;
}
